This name is a synonym of Sorghum arundinaceum (Desv.) Stapf.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 392002) with original publication details: Sp. Pl. 4: 906 1806.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:310251-2.
This name was in version 1 of The Plant List, record kew-392002.